2194562653436 has 12 divisors (see below), whose sum is σ = 3857706549312. Its totient is φ = 1092360782208.

The previous prime is 2194562653433. The next prime is 2194562653477. The reversal of 2194562653436 is 6343562654912.

It is a super-2 number, since 2×2194562653436² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194562653433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230135125 + ... + 1230136908.

It is an arithmetic number, because the mean of its divisors is an integer number (321475545776).

Almost surely, 2^{2194562653436} is an apocalyptic number.

It is an amenable number.

2194562653436 is a deficient number, since it is larger than the sum of its proper divisors (1663143895876).

2194562653436 is a wasteful number, since it uses less digits than its factorization.

2194562653436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460272260 (or 2460272258 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 56.

The spelling of 2194562653436 in words is "two trillion, one hundred ninety-four billion, five hundred sixty-two million, six hundred fifty-three thousand, four hundred thirty-six".